can some1 tell me how 2 stop auto flash fr.adobe plz

any help from any of u will b greatly appreciated as I need 2 know where 2 go on IE 2 stop anymore automatic downloads & trust me I'm desperate as I'm disabled & need my comp.& w/flash v.12 has screw up chrome 4 sure but  know how 2 disable flash on it but need 2 stop any automatic downloads fr.adobe in IE so any help so appreciated..many blessings..Loretta